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Gibbs, J. P., and J. Faaborg. 1990. Estimating the viability of ovenbird and Kentucky warbler populations in forest fragments. Conservation Biology 4:193-196.

Castetter, R. 1990. Field survey to Gray Ranch - Deer Creek. 7 July, 1990.

Mehlhop, P. 1990. Field survey to Gray Ranch - High Lonesome Well, Playas Valley. 17 Aug. 1990.

Murphy, J. E. 1990. The 1985-1986 Canadian peregrine falcon, FALCO PEREGRINUS, survey. Canadian Field-Naturalist 104:182-192.

Shaw, J. A., and T. S. Carter. 1990. Bison movements in relation to fire and seasonality. Wildl. Soc. Bull. 18:426-430.

Winker, K., J. H. Rappole, and M. A. Ramos. 1990b. Within-forest preferences of wood thrushes wintering in the rainforest of southern Veracruz. Wilson Bull. 102:715-720.

Armbruster, M. J. 1990. Characterization of habitat used by whooping cranes during migration. U.S. Fish and Wildlife Service. Biology of Reproduction 90(4). 16 pp.

Painter, C. 1990. Map of Animas Peak that specifies Crotalus willardi obscurus sighting localities.

Hawkes, J.M. (1990) Unpublished Letter to Forest Supervisor, Lincoln, N.F. Subject: 1990 Annual Spotted Owl Report. Lincoln Supervisor's Office, Lincoln National Forest, USFS. 1 p.

Tims, P. July 25, 1990. Threatened, endangered and sensitive plants observation record. USFS, Lincoln NF.

Patton, J. L. and M. F. Smith. 1990. The evolutionary dynamics of the pocket gopher Thomomys bottae, with emphasis on California populations. University of California Publications, Zoology, Vol. 123.

Castetter, R. 1990. Photographs of location for Phanerophlebia auriculata and Perityle cernua.

Romme, R. 1990. 1990 Bald Eagle Survey, Lincoln National Forest.

Muldavin, E. 1990. Organ Mountains vegetation survey, 1990. New Mexico Natural Heritage Program

Cohen, A.C. and J.L. Cohen. 1990. Ingestion of blister beetles by a Texas horned lizard. The Southwestern naturalist 35(3):369

Haney, J. C. 1990. Winter habitat of common loons on the continental shelf of the southeastern United States. Wilson Bull. 102:253-263.

Livingston, S. A., et al. 1990. Habitat models for nesting bald eagles in Maine. J. Wildlife Management 54:644-653.

Nesom, G.L., L.A. Vorobik, and R.L. Hartman. 1990. The identity of Aster blepharophyllus (Asteraceae: Astereae). Systematic Botany 15(4): 638-642.

Short, L. L., and J. F. M. Horne. 1990a. Woodpeckers - a world perspective and conservation concern. Pages 5-12 in A. Carlson and G. Allen (editors). Conservation and Management of Woodpecker Populations. Swedish University of Agricultural Sciences, Depar

Messmer, T.A. 1990. Influence of grazing treatments on nongame birds and vegetation structure in south central North Dakota. Ph.D. dissertation. North Dakota State University, Fargo, ND. 164 pp.

Williams, S.O. 1990. Cloverdale breeding bird survey. Conducted 87-06-10, 88-06-02, 89-06-18, 90-06-04. 5 pp.

Timossi, I. 1990. California's statewide habitat relationships system. Computer database; June 1992 version. California Dept. of Fish and Game.

Berger, J. 1990. Persistence of different-sized populations: an empirical assessment of rapid extinctions in bighorn sheep. Conservation Biology 4:91-98.

Crocker-Bedford, D. C. 1990. Goshawk reproduction and forest management. Wildl. Soc. Bull. 18:262-269.

Grimes, J. 1990. Pediomelum pentaphyllum. Memoirs of the New York Botanical Garden. 61:82-84.

Kantola, A. T., and S. R. Humphrey. 1990. Habitat use by Sherman's fox squirrel (SCIURUS NIGER SHERMANI) in Florida. J. Mamm. 71:411-419.

Moore, D. W., and L. L. Janecek. 1990. Genic relationships among North American Microtus (Mammalia: Rodentia). Ann. Carnegie Mus. 59:249-259.

Stangel, P. W., J. A. Rodgers, Jr., and A. L. Bryan. 1990. Genetic variation and population structure of the Florida wood stork. Auk 107:614-619.

Erickson, W. A., R. E. Marsh, and W. L. Halvorson. 1990. A roof rat bait station that excludes deer mice. Wildl. Soc. Bull. 18:319-325.

Hill, L. A., and L. G. Talent. 1990. Effects of capture, handling, banding, and radio-marking on breeding least terns and snowy plovers. J. Field Ornithology 61:310-319.

Mercado-Morales, D. 1990. New record of Reithrodontomys megalotis megalotis and a recent record of R. m. saturatus (Rodentia) in Nuevo Leon, Mexico. Southwest. Nat. 35:366-367.

Riesenberg, L.H., R. Carter, and S. Zona. 1990. Molecular tests of the hypothesized origin of two diploid Helianthus species (Asteraceae). Evolution 44(6): 1498-1511.

Sullivan, T. P. 1990. Responses of red squirrel (Tamiasciurus hudsonicus) populations to supplemental food. J. Mamm. 71:579-590.

Schroeder, R. L. 1990. Tests of a habitat suitability model for black-capped chickadees. U.S. Fish and Wildl. Serv. Biol. Rep. 90(10). 8 pp.

Johnsgard, P. A. 1990. Hawks, eagles, and falcons of North America. Smithsonian Inst. Press, Washington, D.C. xvi + 403 pp.

Fletcher, R. 1990. Tesuque Watershed Research Natural Area Potental. US Forest Service, 16 p.

Brown, B.A. 1990. Plant/Animal Occurrence Record (cooperators form) for Falco femoralis septentrionalis sighting. 19 November, 1990.

Johnson, E.D. Zwank, P.J. (1990) Final Report, Flammulated Owl Bioogy on the Sacramento Unit of the Lincoln National Forest. Study Completion Report. Linxoln Supervisor's Office, Lincoln National Forest, USFS. 75 p.

Carey, A. B., J. A. Reid, and S. P. Horton. 1990. Spotted owl home range and habitat use in southern Oregon Coast Ranges. J. Wildlife Management 54:11-17.

Greenberg, R., and S. Droege. 1990. Adaptations to tidal marshes in breeding populations of the swamp sparrow. Condor 92:393-404.

Murphy, B. R. 1990. Evidence for a genetically unique walleye population in the upper Tombigbee River system of northeastern Mississippi. Southeastern Fishes Council Proceedings (22):14-16.

Sherbrooke, W.C. 1990. Rain-harvesting in the lizard Phrynosoma cornutum: behavior and integumental morphology. Journal of Herpetology 24(3):302-308

Winkler, D. W., and J. P. McCarty. 1990. Method for transplanting nests of barn swallows. J. Field Ornithol. 61:426-430.

Burger, J., and M. Gochfeld. 1990. The black skimmer: the social dynamics of a colonial species. Columbia Univ. Press, New York. 416 pp.

Painter, C. 1990. Locality of Crotalus willardi obscurus in Peloncillo Mountains. Hand drawn from U.S.G.S. Guadalupe Canyon Ariz-NM and Apache AZ-NM quadrangle, 15 min series - 19 and attached xeroxed 15 min. topo map.

Hoffman, J. E. 1990. Status survey of seven land snails in the Mineral Hills and the Pinaleno Mountains, Arizona. Prepared for U.S. Fish and Wildlife Service, Phoenix, Arizona. Contract No. 20181-88-00973.

Tims, P. 1990. "Cirsium vinaceum." Threatened, Endangered, and Sensitive Plants Observation Record. USDA Forest Service, NM.

Snyder, D. E., and R. T. Muth. 1990. Description and identification of razorback, flannelmouth, white, Utah, bluehead, and mountain sucker larvae and early juveniles. Colorado Division of Wildlife Technical Publication No. 38. 152 pp.

Combs, K. P., and C. R. Griffin. 1990. Population dynamics, habitat use and management of short-eared owls on Nantucket Island, Massachusetts. University of Massachusetts, Department of Forest and Wildlife Management, Amherst, Massachusetts. Unpublished p

Scott, N.J, National Ecology Research Center, USFWS, MSB, UNM. 1990. Annual report: studies of the biology of the Sacramento Mountain salamander, Aneides hardii. Submitted to Don DeLorenzo, Biologist, Lincoln NF, USFS.

Coulter, M. C. 1990. Creation and management of artificial foraging habitat for wood storks. Pages 262-267 in Mitchell et al., eds. Ecosystem management: rare species and significant habitats. New York State Museum. Bull. 471.

Harris, R. D., and L. Feeney. 1990. Restoration of habitats for burrowing owls (ATHENE CUNICULARIA). Proc. Ann. Meet. Soc. Ecol. Restor. 1:251-259.

Nicholls, J. L., and G. A. Baldassare. 1990. Winter distribution of piping plovers along the Atlantic and Gulf coasts of the United States. Wilson Bulletin 102:400-412.

Silva, R. S. and F. Olmos. 1990. Parabuteo uncinatus (Falconoformes: Accipitridae) na Baixada Santista, litoral de São Paulo, Brasil. Ararajuba 1:76-79.

Armistead, H. T. 1990. Notes on black rails on the Delmarva Peninsula, especially in Dorchester County. Unpublished report. Maryland. Maryland Department of Natural Resources, Annapolis, Maryland. 6 pp.

Brooks, J. E. 1990. Conservation Plan for the aquatic resources of Bitter Lake National Wildlife Refuge, New Mexico.

U.S. Fish and Wildlife Service (USFWS). 1990. Emergency rule to list the golden-cheeked warber as endangered. Federal Register 55(87):18844-5.

Mongold, R. 1990. Letter from Roger Mongold to Ellen De Bruin. Aug. 1990 and notes from discussion with Robin Fisher 91-02-28.

Williams, S.O. and D.J. Cleary. 1990. Bird survey - Guadalupe Canyon, HIdalgo Co., NM 4-5 June 1990.